通过网络安装ubuntu失败,求指导

jasonwang

:ubuntu-installer-http
cpuid --ext 29 && set arch amd64 || set arch i386
#cpuid --ext 29 && set arch x64 || set arch x86
set base-url http://no.archive.ubuntu.com/ubuntu/dists/raring/main/installer-${arch}/current/images/netboot/ubuntu-installer/${arch}
kernel ${base-url}/linux
initrd ${base-url}/initrd.gz
#imgargs linux auto=true url=http://yourserver/some/path/preseed.cfg
boot || goto failed
goto start

:ubuntu-installer
initrd ${boot-url}/boot/iso/ubuntu-16.04-desktop-i386.iso
chain ${boot-url}/memdisk iso || goto failed
#kernel ${boot-url}/ubuntu-installer/i386/linux
#initrd ${boot-url}/ubuntu-installer/i386/initrd.gz
boot || goto failed
goto start